| Acronym | Meaning |
| PPHM | Parts Per Hundred Million |
| ECCF | Equilibrium Charge-charge Flux (model In Ir Spectra Calcns.) |
| VAZC | Vibrationally Adiabatic Zero Curvature (quantum Calcn. Approxn.) |
| MEECC | Microemulsion Electrokinetic Capillary Chromatography |
| LTR | Long Terminal Repeat |
| CEF | Chicken Embryo Fibroblast |
| ICC | Intrahepatic Cholangiocarcinoma |
| SOMBT | Second-order Many-body Theory |
| OHEA | Office Of Health And Environmental Assessment (USEPA) |
| DAM | Military Applications Branch (French; Direction Des Applications Militaires) |